1 files changed, 5 insertions, 0 deletions
diff --git a/wscript b/wscript
index f482bf1e1a..9f0c06b991 100644
--- a/wscript
+++ b/wscript
@@ -716,6 +716,11 @@ def configure(conf):
         # TODO put this only where it is needed
         conf.env.append_value('LIB', 'regex')
 
+        # work around GdkDrawable BitBlt performance issue on windows
+        # see http://gareus.org/wiki/ardour_windows_gdk_and_cairo
+        conf.env.append_value('CFLAGS', '-DUSE_CAIRO_IMAGE_SURFACE')
+        conf.env.append_value('CXXFLAGS', '-DUSE_CAIRO_IMAGE_SURFACE')
+
     # Tell everyone that this is a waf build
 
     conf.env.append_value('CFLAGS', '-DWAF_BUILD')